Wang, Yan-en
Li, Xin-pei
Li, Chuan-chuan
Yang, Ming-ming
Wei, Qing-hua
Funding for this research was provided by:
National Natural Science Foundation of China (51175432, 50905147)
Doctor Special Science and Technological Funding of the China Ministry of Education (20116102110046)
Fundamental Research Funds for the Central Universities (3102014JCS05007)
graduate starting seed fund of Northwestern Polytechnical University (Z2014037)